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-rw-r--r--absl/flags/marshalling.cc40
1 files changed, 40 insertions, 0 deletions
diff --git a/absl/flags/marshalling.cc b/absl/flags/marshalling.cc
index f025ae7e..f4ebe0e3 100644
--- a/absl/flags/marshalling.cc
+++ b/absl/flags/marshalling.cc
@@ -16,6 +16,7 @@
#include "absl/flags/marshalling.h"
#include <limits>
+#include <type_traits>
#include "absl/base/macros.h"
#include "absl/strings/match.h"
@@ -186,4 +187,43 @@ std::string AbslUnparseFlag(const std::vector<std::string>& v) {
}
} // namespace flags_internal
+
+bool AbslParseFlag(absl::string_view text, absl::LogSeverity* dst,
+ std::string* err) {
+ text = absl::StripAsciiWhitespace(text);
+ if (text.empty()) {
+ *err = "no value provided";
+ return false;
+ }
+ if (text.front() == 'k' || text.front() == 'K') text.remove_prefix(1);
+ if (absl::EqualsIgnoreCase(text, "info")) {
+ *dst = absl::LogSeverity::kInfo;
+ return true;
+ }
+ if (absl::EqualsIgnoreCase(text, "warning")) {
+ *dst = absl::LogSeverity::kWarning;
+ return true;
+ }
+ if (absl::EqualsIgnoreCase(text, "error")) {
+ *dst = absl::LogSeverity::kError;
+ return true;
+ }
+ if (absl::EqualsIgnoreCase(text, "fatal")) {
+ *dst = absl::LogSeverity::kFatal;
+ return true;
+ }
+ std::underlying_type<absl::LogSeverity>::type numeric_value;
+ if (absl::ParseFlag(text, &numeric_value, err)) {
+ *dst = static_cast<absl::LogSeverity>(numeric_value);
+ return true;
+ }
+ *err = "only integers and absl::LogSeverity enumerators are accepted";
+ return false;
+}
+
+std::string AbslUnparseFlag(absl::LogSeverity v) {
+ if (v == absl::NormalizeLogSeverity(v)) return absl::LogSeverityName(v);
+ return absl::UnparseFlag(static_cast<int>(v));
+}
+
} // namespace absl